Home / 290,184.63-400,455.57-161,123.35

Finding the Fourth Proportional to 290,184.63, 400,455.57 and 161,123.35

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Solution

The fourth proportional to 290,184.63, 400,455.57 and 161,123.35 is: 222,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,184.63 : 400,455.57 = 161,123.35 : x
  2. Step 2: Convert to fraction form
    290,184.63/400,455.57 = 161,123.35/x
  3. Step 3: Cross multiply
    290,184.63x = 400,455.57 × 161,123.35
  4. Step 4: Simplify right side
    290,184.63x = 64,522,744,846.32
  5. Step 5: Solve for x
    x = 64,522,744,846.32/290,184.63
  6. Step 6: Final answer
    x = 222,350.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.